When I got down to the lab, I looked in. He was alert and came up to me as if he knew me.
He was eager to work, and when I set him down through the trap door in the wire mesh of the maze,
he moved swiftly along the pathways to the reward box. Twice he ran the maze successfully.
The third time, he got halfway through, paused at an intersection, and then with a twitching movement took the wrong turn.
I could see what was going to happen, and I wanted to reach down and take him out before he ended up in a blind alley.
But I restrained myself and watched. When he found himself moving along the unfamiliar path, he slowed down,
and his actions became erratic: start, pause, double back, turn around and then forward again,
until finally he was in the cul-de-sac that informed him with a mild shock that he had made a mistake.
At this point, instead of turning back to find an alternate route, he began to move in circles,
squeaking like a phonograph needle scratched across the grooves.
He threw himself against the walls of the maze, again and again, leaping up, twisting over backwards and falling, and throwing himself again.
Twice he caught his claws in the overhead wire mesh, screeching wildly, letting go, and trying hopelessly again.
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